JP2002522645A5 - - Google Patents

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JP2002522645A5
JP2002522645A5 JP2000565205A JP2000565205A JP2002522645A5 JP 2002522645 A5 JP2002522645 A5 JP 2002522645A5 JP 2000565205 A JP2000565205 A JP 2000565205A JP 2000565205 A JP2000565205 A JP 2000565205A JP 2002522645 A5 JP2002522645 A5 JP 2002522645A5
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Prior art keywords
alloy
product
surface portion
article
unshielded
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Ceased
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JP2000565205A
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Japanese (ja)
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JP2002522645A (en
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Priority claimed from US09/133,158 external-priority patent/US6165597A/en
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Publication of JP2002522645A publication Critical patent/JP2002522645A/en
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【特許請求の範囲】
【請求項１】 クロム含有合金から形成された選択的に肌焼きされた製品において、製品の選択的な肌焼きが、
炭素のための遮蔽マスク（２０）を、該製品の選択された表面部分を覆うように配置すること、
少なくとも遮蔽されていない表面部分を、鉄の層（２４）で電気メッキすることによって、該製品の遮蔽されていない表面部分（２２）を活性化させること、
遮蔽されておらず、活性化された表面部分を浸炭して、実質的にカーバイドを含まない浸炭された表面を形成することを含むことを特徴とする製品。
【請求項２】 第１の表面部分（１６）が第１の硬度特徴を有し、第２の部分が第２の硬度特徴を有し、該第２の部分が、該表面部分（２２）を備えている請求項１の製品。
【請求項３】 該第２の部分が、物体の選択された部位に浸炭領域として形成される、請求項１の製品。
【請求項４】 該合金がクロム含有の鉄又はニッケルを基礎にした合金を含んでなる、請求項１の製品。
【請求項５】 該合金がステンレス鋼を含んでなる、請求項４の製品。
【請求項６】 該第２の部分が、該第１の部分より硬い部分を製造するための、該物体の選択された領域上の炭素含浸表面を含んでなる、請求項１の製品。
【請求項７】 該物体がフェルールである請求項２の製品。
【請求項８】 該合金が、合金３１６、合金３１６Ｌ，合金３０４、合金３００、合金Ｃ−２７６又は合金２０Ｃｂである請求項４に記載の製品。
【請求項９】 該フェルールが、第２の硬度特徴を有するノーズ部分を規定する請求項１の製品。
【請求項１０】 該フェルールが、ステンレススチールから形成されている請求項１の製品。
【請求項１１】 該ステンレススチールが、合金３１６、３１６Ｌ又は３０４である請求項１の製品。
【請求項１２】 第１の表面部分（１６）と第１の表面部分とは異なった第２の表面部分（２２）とを規定するステンレススチール合金の形状付けられたか部分を有し、第頁第行、第２の表面部分（２２）が、浸炭部分であり、第１の表面部分よりも硬い請求項１の製品。
【請求項１３】 該フェルールが、管を把持するためのノーズ部分及びノーズ端を内側に駆動するための駆動表面によって構成されており、該ノーズ端が該第２の表面部分（２２）を規定している請求項７の製品。
【請求項１４】 クロム含有製品を選択的に浸炭する方法において、
炭素のための遮蔽マスク（２０）を、該製品の選択された表面部分を覆うように配置すること、
少なくとも遮蔽されていない表面部分を、鉄の層（２４）で電気メッキすることによって、該製品の遮蔽されていない表面部分（２２）を活性化させること、
遮蔽されておらず、活性化された表面部分を浸炭して、実質的にカーバイドを含まない浸炭された表面を形成することを含むことを特徴とする方法。
【請求項１５】 該マスクを配置する該段階が、製品全体上に炭素遮蔽マスクを配置すること、及び該遮蔽マスクの部分を選択的に除去することを含んでいる請求項１４の方法。
【請求項１６】 該遮蔽マスクが、銅プレートを含んでいる請求項１５の方法。
【請求項１７】 該銅プレートが選択的に除去される、請求項１６の方法。       [Claims]
        (1) In selectively hardened products formed from chromium-containing alloys, selective hardening of the product
  Placing a shielding mask (20) for carbon over selected surface portions of the product;
  Activating the unshielded surface portion (22) of the product by electroplating at least the unshielded surface portion with a layer of iron (24);
  An article of manufacture comprising carburizing an unshielded, activated surface portion to form a substantially carbide-free carburized surface.
    (2) A first surface portion (16) has a first hardness feature, a second portion has a second hardness feature, and the second portion comprises the surface portion (22). Item 1. The product of item 1.
    (3) The product of claim 1, wherein the second portion is formed as a carburized region at a selected location on the object.
    (4) The product of claim 1, wherein the alloy comprises a chromium-containing iron or nickel based alloy.
    Claim 5. 5. The article of claim 4, wherein said alloy comprises stainless steel.
    6. The article of claim 1, wherein the second portion comprises a carbon-impregnated surface on a selected area of the object to produce a harder portion than the first portion.
    7. 3. The article of claim 2, wherein said object is a ferrule.
    8. The product of claim 4, wherein the alloy is alloy 316, alloy 316L, alloy 304, alloy 300, alloy C-276, or alloy 20Cb.
    9. The article of manufacture of claim 1 wherein said ferrule defines a nose portion having a second hardness feature.
    10. The article of claim 1 wherein said ferrule is formed from stainless steel.
    11. The article of claim 1, wherein said stainless steel is alloy 316, 316L or 304.
    12. A shaped or portion of a stainless steel alloy defining a first surface portion (16) and a second surface portion (22) different from the first surface portion; The product of claim 1, wherein the surface portion (22) is a carburized portion and is harder than the first surface portion.
    Claim 13 The ferrule is defined by a nose portion for gripping a tube and a drive surface for driving the nose end inward, the nose end defining the second surface portion (22). 7 products.
    14. In a method of selectively carburizing a chromium-containing product,
Placing a shielding mask (20) for carbon over selected surface portions of the product;
  Activating the unshielded surface portion (22) of the product by electroplating at least the unshielded surface portion with a layer of iron (24);
  A method comprising carburizing an unshielded, activated surface portion to form a substantially carbide-free carburized surface.
    15. 15. The method of claim 14, wherein the step of disposing the mask comprises disposing a carbon shielding mask over the entire product, and selectively removing portions of the shielding mask.
    16. 16. The method of claim 15, wherein said mask comprises a copper plate.
    17. 17. The method of claim 16, wherein said copper plate is selectively removed.

JP2000565205A 1998-08-12 1999-08-12 Low-temperature selective hardening process Ceased JP2002522645A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/133,158 US6165597A (en) 1998-08-12 1998-08-12 Selective case hardening processes at low temperature
US09/133,158 1998-08-12
PCT/US1999/018419 WO2000009773A2 (en) 1998-08-12 1999-08-12 Selective case hardening processes at low temperature

Related Child Applications (1)

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JP2010052391A Division JP2010168661A (en) 1998-08-12 2010-03-09 Selective case hardening process at low temperature

Publications (2)

Publication Number Publication Date
JP2002522645A JP2002522645A (en) 2002-07-23
JP2002522645A5 true JP2002522645A5 (en) 2006-12-07

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JP2010052391A Withdrawn JP2010168661A (en) 1998-08-12 2010-03-09 Selective case hardening process at low temperature

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Country Status (10)

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US (1) US6165597A (en)
EP (1) EP1119649B1 (en)
JP (2) JP2002522645A (en)
KR (1) KR100647501B1 (en)
CN (1) CN1325690C (en)
AT (1) ATE343006T1 (en)
AU (1) AU6238999A (en)
DE (1) DE69933687T2 (en)
IL (1) IL141364A (en)
WO (1) WO2000009773A2 (en)

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